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https://issues.apache.org/jira/browse/HIVE-12518?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Pengcheng Xiong resolved HIVE-12518.
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Resolution: Fixed
maybe resolved through HIVE-11110. Now only golden file diff. Thanks
[~hsubramaniyan] for checking this.
> CBO: Calcite Operator To Hive Operator (Calcite Return Path): fix test
> failure for groupby_resolution.q
> -------------------------------------------------------------------------------------------------------
>
> Key: HIVE-12518
> URL: https://issues.apache.org/jira/browse/HIVE-12518
> Project: Hive
> Issue Type: Sub-task
> Components: CBO
> Reporter: Pengcheng Xiong
> Assignee: Laljo John Pullokkaran
>
> The problem can be reproduced when there is no map group by and the data is
> skewed for return path.
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